Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where inflow into Lake Powell was 7764.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP

Tue, Jan 24, 2017 3596.93 11,459,527 7764 15312 41.0 30.0 48.0

Tue, Dec 28, 2010 3626.88 14,506,375 7764 13907 43.0 28.0 51.0

Sat, Jan 22, 2005 3562.94 8,548,528 7764 13986 50.0 34.0 49.0

Sat, Feb 09, 2002 3651.53 17,406,922 7764 9988 46.0 30.0 --

Thu, Nov 09, 1989 3662.73 18,853,088 7764 10900 67.0 44.0 --

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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = * Flow CFS
TP = Total Precipitation

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Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes): Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data